Home / 349,780.20-523,892.70-303,124.20

Finding the Fourth Proportional to 349,780.20, 523,892.70 and 303,124.20

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Solution

The fourth proportional to 349,780.20, 523,892.70 and 303,124.20 is: 454,012.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,780.20 : 523,892.70 = 303,124.20 : x
  2. Step 2: Convert to fraction form
    349,780.20/523,892.70 = 303,124.20/x
  3. Step 3: Cross multiply
    349,780.20x = 523,892.70 × 303,124.20
  4. Step 4: Simplify right side
    349,780.20x = 158,804,555,573.34
  5. Step 5: Solve for x
    x = 158,804,555,573.34/349,780.20
  6. Step 6: Final answer
    x = 454,012.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.